 | | Journal (article/letter/editorial) | | structure of sursassite from the Lienne Valley, Stavelot Massif, Belgium Frédéric HATERT1, *, Andre-Mathieu...Minéralogie, B18, Université de Liège, 4000 Liège, Belgium *Corresponding author, e-mail: fhatert@ulg.ac.be...Paix (FUNDP), Rue de Bruxelles 61, 5000 Namur, Belgium 3 Institut für Geologie, Mineralogie und Geophysik...associated with nsutite, hematite, apatite-(CaF), spessartine, manganoan clinochlore, and ardennite in quartz...Ordovician) in the core of the Lienne syncline, Stavelot Massif, Belgium. The chemical composition of sursassite |  | | Journal (article/letter/editorial) | | chlorites: Evidence from the Lienne Valley manganese deposit, Ardennes, Belgium W. Schreyer ~, A.-M. Fransolet...Universit6 de Li6ge, B18 Sart Tilman, B-4000 Li+ge t, Belgium Abstract. Low-temperature veinlets crosscutting...both. Additional minerals in the veinlets are spessartine, kutnahorite, quartz, and an allanite-piemontite...abandoned manganese mines of the Lienne Valley, Venn-Stavelot Massif, Belgium, a few samples were collected...gonyerite (Frondel The manganese mines of the Lienne Valley occur in the southwestern part of the Venn-Stavelot |  | | Journal (article/letter/editorial) | | pseudocoticule from the Stavelot Massif, Ardennes (Belgium), and redefinition of coticule MAXIME BAIJOT, FRÉDÉRIC...Minéralogie, B18, Université de Liège, 4000 Liège, Belgium *Corresponding author, e-mail: fhatert@ulg.ac.be...the Salm Valley, Belgium, shows that this type of rock is characterized by a quartz þ spessartine þ hematite...hematite assemblage. Spessartine grains can reach ca. 200 mm in diameter. The rocks directly in contact...pseudocoticules are very rich in chloritoid and spessartine, thus showing that metasomatic processes affected |  | Dekoninck, Augustin, Monié, Patrick, Blockmans, Sabine, Hatert, Frédéric, Rochez, Gaëtan, Yans, Johan (2019) Genesis and 40Ar/39Ar dating of K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering periods in Western Europe. Ore Geology Reviews, 115. 103191 doi:10.1016/j.oregeorev.2019.103191 | Journal (article/letter/editorial) | | K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering...University of Namur, 61 rue de Bruxelles B-5000 Namur, Belgium Géosciences Montpellier, UMR-CNRS 5243, Université...Prince de Liège B-5100, Jambes, Belgium d Laboratoire de Minéralogie, Université de Liège, 14 allée du...du six août B-4000, Liège, Belgium b c ARTICLE INFO ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn...the Stavelot inlier (NE Ardenne, Rhenish Massif, Belgium) has drawn the attention of geoscientists for more |  | | Book | | du manganèse dans le minerai exploité de "Basse-Lienne". Les échantillons minéralogiques et toutes les...place est décrite. • Les minerais de la "Haute-Lienne" sont constitués d'oxydes noirs et leur formation...millions d'années environ. • Les minerais de la "Basse-Lienne" sont des minerais grenus carbonatés et siliceux...ores were exploited in the Venn-Stavelot Massif (Belgium). There are two varieties and their formations...formations are described. Manganèse ores in the "Haute-Lienne" area are black oxides and they were formed under |  | | Journal (article/letter/editorial) | | TILMAN (LIEGE), BELGIUM Low-grade Mn-rich metamorphic rocks of the Lienne syncline spessartine + chlorite...evaluate the petrological significancegested that spessartine (possibly containing some hydrogarnet of carpholite...Vmt-Stanelot Massif; Ardemes elsewhere. Carpholite of the Lienne syncline exclusively occurs in quartz-rich segregations...Fe3+)2[Si2O6] (OH,F)4. Mineral associated with spessartine-bearing country rocks, or carpholitenames so...end-members conis altered to assemblages with spessartine, sudoite, chlorite, taining Mn, Fe and Mg as |  | | Journal (article/letter/editorial) | | rhodochrosite precursor of spessartine in coticules of the Venn-Stavelot Massif, Belgium W. SCHREYER, H . - J...rhodochrosite inclusions were discovered in spessartine crystals of small coticule globules enclosed...the country rock of the famous coticule bands of Belgium. This points to a former metamorphic reaction relationship...rhodochrosite + pyrophyllite = spessartine + quartz + CO2 + H20. The coexistence of spessartine with Mg-chlorite in...reactions such as rhodochrosite + sudoite + quartz = spessartine + Mg-chlorite + CO2 + H20. Our finding casts |  | Bernhardt, Heinz-Jürgen, Armbruster, Thomas, Fransolet, André -Mathieu, Schreyer, Werner (2005) Stavelotite-(La), a new lanthanum-manganese-sorosilicate mineral from the Stavelot Massif, Belgium. European Journal of Mineralogy, 17 (5) 703-714 doi:10.1127/0935-1221/2005/0017-0703 | Journal (article/letter/editorial) | | orosilicate mineral from the Stavelot Massif, Belgium HEINZ-JÜRGEN BERNHARDT1, THOMAS ARMBRUSTER2, ANDRÉ-MATHIEU...Minéralogie, Université de Liège, Bâtiment B 18, Sart Tilman, B-40000 Liège, Belgium 2Laboratorium Abstract:...Ordovician age at Le Coreux near Salmchâteau, Belgium. Accompanying minerals are hematite, braunite,...vein. Stavelot is a historical town in eastern Belgium. The mineral and its name were approved by the...Thin section Cor 8-2 of sample 25169. Le Coreux, Belgium. In air. Fig. 2. Reflected-light photograph of |  | | Journal (article/letter/editorial) | | carbonate inclusions in spessartine garnet and relation to the stability of spessartine in metamorphosed manganese-rich...Ó Springer-Verlag 2001 Abstract Idioblastic spessartine garnet pervasively developed in Mn-rich rocks...strongly fractionate Ca and Mg over coexisting spessartine. The nature, composition and textural relationship...coexisting minerals and inclusions in porphyroblastic spessartine indicate that the latter formed from metamorphic...observations on a rhodochrosite precursor for spessartine. Spessartine formation is thus envisaged to have taken |  | | Journal (article/letter/editorial) | | Hercynian Metamorphism in the Venn-Stavelot Massif, Belgium By W. SCHREYER, Bochurn *) With 6 figures and...Zonarbau, aber sic sind reieher an Fe als die Spessartine aus Cotieules auf prim~irer Lagerst~itte. Dies...chemical zoning, but they are richer in Fe than the spessartine of in situ coticules. This seems to indicate...ehimique, mais ils sont plus riches en fer que la spessartine du coticule en place. I1 semble done que, lors...o n The Venn-Stavelot Massif of southeastern Belgium is situated in the northwestern part of the large |  | | Journal (article/letter/editorial) | | Associatedminerals are rhodochrosite, braunite, rhodonite, spessartine,and quartz. The mineral is brown-red in color...varicoloredspessartine- hematite quartzitesand braunite- and spessartine-bearing rocks, with variable proportions of rhodochrosite...fine-grained intergrowths of albite and hematite),spessartine,hematite, colorlesscrossite,qtrarlz, phengite...setting of the Piedmont zone in the northem Aosta Valley, Western Alps Ofioliti, 13, 157-162. Deer, W.A...chlorites: Evidencesfrom the Lienne Valley manganesedeposit, Ardennes, Belgium. Conlributions to Mineralogy |  | | Journal (article/letter/editorial) | | high-pressure breakdown assemblage of Mn-cordierite is spessartine, an Al-silieate, and a SiQ-polymorph. Due to...variable water contents of Mn-cordierite and spessartine there is a pronounced curvature in the negative...synthesized h y d r o t h e r m a l l y in studies on spessartine (MnaA12Si~01~) also a t low t e m p e r a t u...i n e d t h e s t a b i l i t y relations of spessartine on its own composition a n d o b t a i n e d...o n curve given b y t h e r e a c t i o n : Spessartine ~- M n - - C h l o r i t e - t - Q u a r t z |  | | Journal (article/letter/editorial) | | quartz schall : schallerite son: sonolite spess: spessartine sph : sphalerite te : tephroite tinz : tinzenite...rhodochrosite, matrix is carbonate with friedelite, spessartine, chlorite, and sulfides Ge L6 Mn 33 6.5 V...crosscutting veins, coexisting with friedelite and spessartine. A formation of the matrix garnet from the chlorite...according to the reaction M n - chlorite + quartz = spessartine + H20, is indicated by the chl-spess_+fr assemblages...Al-rich clayey layers together with friedelite and spessartine. However, in For the Mn-rich pyrosmalite group |  | | Journal (article/letter/editorial) | | pummax pellyite, manganoan chlorite and trace spessartine-rich garnet and sphalerite have formed in an...is dependent on metamorphic grade; incipient spessartine indicates a saturation value of 6–8% MnO in chlorite...also contributed to reactions forming grossular–spessartine solid solutions. Formation of garnet in siliceous...is dependent on both Mn and Ca content. The spessartine component increases with grade into the greenschist...L OG Y Garnet Grossular–spessartine solid solutions with 58–63% spessartine component occur in OU 62096 |  | | Journal (article/letter/editorial) | | Ghent University, Krijgslaan 281 S8, 9000 Ghent, Belgium (marlina.elburg@UGent.be) 2 CODES and School of...hazardous wastes to the nearest lowlands and river valley or directly into the sea environment without any...Paleoclimate and Mare, University of Liege, B-4000 Liege, Belgium (nathalie.fagel@ulg.ac.be, roberbrasseur@skynet...roberbrasseur@skynet.be) 2 DSTE, University of Brussels, Belgium, nmattiel@ulb.ac.be; 3 GEOTOP, UQAM, Montreal, Canada (chm@uqam...Institut d’Astronomie et d’Astrophysique, ULB, Belgium 4 LSCE, Domaine du CNRS, Gif-sur-Yvette, France |  | | Report (volume) | | of IA Helle and halles, Venn-Stavelot-Massif, Belgium. Ann Soc Geol Belg 101:227-241 Seki Y (1959) Relation...monoclinic epidotes from Praborna (St. Marcel, Aosta Valley, Italy). Eur J Mineral 8:655-665 Dollase WA (1968)...chlorite (Fig. 5). Dixie Valley Geothermal system, Nevada The Dixie Valley geothermal system in west-central...Consequently, the hydrothermal fluids of the Dixie Valley geothermal system must have been at least partially...Golan B, Benoit D (2000) Temperatures in the Dixie valley, Nevada geothermal system. Geother Res Coun Trans |  | | Journal (article/letter/editorial) | | (1986): Ordovician− Silurian magmatic provinces in Belgium and the Caledonian orogeny in middle Europe. Geology... Y. and Takeda, K. (1994): Vanadium−bearing spessartine and allanite in the manganese−iron ore from the...melt in peralkaline rhyolites from the Kenya Rift Valley. Mineral. Mag., 71, 703−713. Mahood, G. and Hildreth...chlorites: evidence from the Lienne Valley manganese deposit, Ardennes, Belgium. Contrib. Mineral. Petrol |  | | Report (volume) | | High Temperature Geological Processes, 1986; J. W. Valley, H. P. Taylor, Jr., and J. R. O’Neil, Eds. 570...the western United States. In the Little Antelope Valley District in California rhyolites have been altered...1974). The deposits located along the Chubut River valley are relatively thick with some deposits as thick...Calif. Int'l Antelope Div. of Kaolin Symp., Valley Mines Geol. clay Spec. RpESh. 2,428 ps W.A...chrysotile asbestos deposit of Belangero (Lanzo Valley, Piedmont, Italy. Proc. 4th Int'l. Conf. Asbestos |
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